Today
Expect fog. Daytime high +59°, overnight low +43°. Wind gusts reach 13 mph. No precipitation expected.
Weather in Arlington
United States · Massachusetts · 42.4154, -71.1564
Today Now 12:01 AM
+45° Fog
Hourly forecast
Today10/20
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +52° and partly cloudy, nighttime low +45° — 7° colder than today.
Week
Seven days ahead fall within +37°…+66°. Weekly maximum — +66° (Mon). Coldest night — Sat, around +37°. No precipitation expected this week. Cloudless weather for 5 days.
Week vs norm
- Today 10/20 +59° −2° usually +61°
- Tomorrow 10/21 +52° −9° usually +60°
- Thu 10/22 +59° −1° usually +60°
- Fri 10/23 +50° −10° usually +60°
- Sat 10/24 +55° −4° usually +59°
- Sun 10/25 +61° +2° usually +59°
- Mon 10/26 +66° +8° usually +59°
- Tue 10/27 +57° −1° usually +58°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 20
Today is cooler than usual for this date.
- Heat record +75° 2024
- Cold record +31° 2003
- Most precipitation 3.7 in 1996
- Strongest gust 55 mph 1996
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Arlington
Today is about 3° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +35° / +21° | +27° | 3.6 |
| Feb | +37° / +22° | +29° | 3.1 |
| Mar | +45° / +29° | +36° | 4.4 |
| Apr | +56° / +39° | +47° | 3.8 |
| May | +67° / +49° | +57° | 3.3 |
| Jun | +76° / +59° | +67° | 3.4 |
| Jul | +82° / +65° | +73° | 3.3 |
| Aug | +81° / +64° | +72° | 3.5 |
| Sep | +74° / +57° | +65° | 3.5 |
| Oct | +63° / +47° | +54° | 3.9 |
| Nov | +51° / +36° | +43° | 3.3 |
| Dec | +40° / +27° | +33° | 4.4 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:03 AM | 5:54 PM
Moon
3:19 PM | 12:46 AM
Moon phase
Waxing gibbous 69%
Next solar eclipse
Calculating for this city…